[go: up one dir, main page]

CN107031734A - The front vehicle body structure of vehicle - Google Patents

The front vehicle body structure of vehicle Download PDF

Info

Publication number
CN107031734A
CN107031734A CN201611087917.5A CN201611087917A CN107031734A CN 107031734 A CN107031734 A CN 107031734A CN 201611087917 A CN201611087917 A CN 201611087917A CN 107031734 A CN107031734 A CN 107031734A
Authority
CN
China
Prior art keywords
front frame
suspension
open cross
sections
vehicle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201611087917.5A
Other languages
Chinese (zh)
Other versions
CN107031734B (en
Inventor
丸山贤司
松冈秀典
渡边重昭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mazda Motor Corp
Original Assignee
Mazda Motor Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mazda Motor Corp filed Critical Mazda Motor Corp
Publication of CN107031734A publication Critical patent/CN107031734A/en
Application granted granted Critical
Publication of CN107031734B publication Critical patent/CN107031734B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D25/00Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08Front or rear portions
    • B62D25/088Details of structures as upper supports for springs or dampers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D25/00Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08Front or rear portions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D21/00Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/11Understructures, i.e. chassis frame on which a vehicle body may be mounted with resilient means for suspension, e.g. of wheels or engine; sub-frames for mounting engine or suspensions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D25/00Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08Front or rear portions
    • B62D25/16Mud-guards or wings; Wheel cover panels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60YINDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2306/00Other features of vehicle sub-units
    • B60Y2306/09Reducing noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

A kind of front vehicle body structure that can improve suspension shell for the vehicle of the section second moment of the deformation force in overall width direction is provided.Front body possesses:Formed the front frame in closed section portion, configuration on the outside of the overall width direction of front frame and the coaming plate reinforcer of top, the component parts for installing suspension and by front frame and the coaming plate reinforcer suspension shell linked and be disposed in the closed section portion of front frame the 1st, the 2nd dividing plate.Suspension shell possesses in the way of by front frame and coaming plate reinforcer bridge joint along the 1st of the extension of overall width direction the, the 2nd open cross-sections portion.1st, the 2nd open cross-sections portion includes preceding ridge line section, and the preceding ridge line section is the high rigidity portion extended along overall width direction.1st, the vicinity of the position that the 2nd dividing plate is connected in the lower end with preceding ridge line section or the position is disposed in closed section portion.

Description

The front vehicle body structure of vehicle
Technical field
The present invention relates to the front vehicle body structure of vehicle, the vehicle is outstanding the anterior component parts for possessing and being provided with suspension Rack enclosure.
Background technology
Possesses suspension shell in the front portion of the vehicles such as automobile, the suspension shell accepts the load inputted from the damper of front suspension Lotus.In general, suspension shell be erected at along vehicle fore-and-aft direction extend front frame and along vehicle fore-and-aft direction extend Between coaming plate reinforcer, the coaming plate reinforcer is configured on the outside of the overall width direction of the front frame and top, the overall width side of suspension shell To end be attached to front frame and coaming plate reinforcer (referring for example to patent document 1).
Suspension shell includes:House the housing main body of front suspension, at the top of the suspension of the damper upper end of supporting suspension and Joint portion for the front frame and the coaming plate reinforcer etc..Such suspension shell is general by being struck out to steel plate The method of shape is manufactured.On the other hand, it is relatively low and be conducive to the light-weighted of car body from the free degree of shape in stamping Viewpoint is set out, it is considered to the method that (aluminium die casting) suspension shell is cast with aluminium.
Patent document 1:JP 2011-005882 publications
In suspension shell, it is desirable to there is patience for the load of the input at the top of suspension.Particularly, it is desirable to outside the suspension Shell possesses the intensity that can prevent that introversion from deforming, and introversion deformation refers to be applied at the top of suspension to be become in the vertical direction In the case of dynamic big load, suspension shell swings to the inner side in overall width direction.Even if suspension shell generates 0.1mm ranks, Also influence can be produced to control stability, NVH (Noise, Vibration, Harshness) performance, strength durable performance etc..
The content of the invention
It is an object of the present invention to provide a kind of front vehicle body structure of vehicle, has been applied in big load at the top of suspension In the case of, it can also prevent the deformation in the overall width direction of suspension shell.
The front vehicle body structure of the vehicle of one aspect of the present invention, possesses:Front frame, extends along vehicle fore-and-aft direction, Form closed section portion;Coaming plate reinforcer, is configured on the outside of the overall width direction of the front frame and top, along vehicle fore-and-aft direction Extension;Suspension shell, the component parts for installing suspension links the front frame and the coaming plate reinforcer;And strengthen Body, is disposed in the closed section portion of the front frame, is engaged with the front frame, and the suspension shell possesses open cross-sections Portion, the open cross-sections portion extends in the way of by the front frame and coaming plate reinforcer bridge joint along overall width direction, and should Open cross-sections portion has the high rigidity portion extended along overall width direction, and the intensive aspect is in the front frame with the high rigidity portion The vicinity of the connected position in the end of side or the position is disposed in the closed section portion.
According to the front vehicle body structure, suspension shell possesses the open cross-sections portion extended along overall width direction, and this is opened Putting cross-section has the high rigidity portion extended along overall width direction, so the deformation in the overall width direction of the suspension shell can be improved Patience.In addition, position or the vicinity of the position that intensive aspect is connected in the end with the front frame side in the high rigidity portion Configuration is in the closed section portion of front frame.Thus, in front frame, rigidly passed through by the face for the part that load is transmitted from suspension shell The intensive aspect and improve, the load can be made to be distributed to miscellaneous part.Therefore, it is possible to suppress the overall width direction of suspension shell Deformation.
In the front vehicle body structure of above-mentioned vehicle, it is preferably, the high rigidity portion is 2 in the open cross-sections portion The ridge line section that individual face is intersected., can compared with the situation for setting up muscle or rib in open cross-sections portion according to the front vehicle body structure It is readily formed high rigidity portion.
In the front vehicle body structure of above-mentioned vehicle, it is preferably, the front frame is provided with pair of right and left, before the vehicle Portion's body Structure possesses the suspension crossbeam being disposed between a pair of front frames, equipping position of the front frame in the intensive aspect Nearby there is the installation portion for being used for fixing the suspension crossbeam.
According to the front vehicle body structure, the installation portion configuration of fixed suspension crossbeam the intensive aspect equipping position it is attached Closely, so in the case where being applied with load to intensive aspect from suspension shell, the load can be made to be distributed to front frame and suspension horizontal stroke Beam.Therefore, it is possible to suppress the deformation of suspension shell well.
In the front vehicle body structure of above-mentioned vehicle, it is preferably, the intensive aspect is that possess the closed section portion The dividing plate of the separation face separated, the separation face possesses on the extended line direction of the end in the high rigidity portion The rigid rib of extension.
According to the front vehicle body structure, change will have height on the direction from the high rigidity portion imposed load of suspension shell Rigid dividing plate is assembled into front frame.Therefore, it is possible to the intensity in the closed section portion for further improving front frame.
In the front vehicle body structure of above-mentioned vehicle, it is preferably, the intensive aspect is that possess the closed section portion The dividing plate of the separation face separated, the separation face possesses through hole, lip portions is formed with the edge of the through hole.
According to the front vehicle body structure, even if by dividing plate configuration in the closed section portion of front frame, due to separating face tool Standby through hole, so can also make the fluid such as electropaining liquid be circulated via the through hole in closed section.Moreover it is possible to Enough realize the lightweight of dividing plate.On the other hand, because the edge in through hole is formed with lip portions, so can also improve described Separate the rigidity of face.
The effect of invention:
In accordance with the invention it is possible to provide a kind of front vehicle body structure of vehicle, big load is applied at the top of suspension In the case of, it can also suppress the deformation in the overall width direction of suspension shell.
Brief description of the drawings
Fig. 1 is the stereogram for the front vehicle body structure for roughly showing the vehicle of the present invention.
Fig. 2 be the front vehicle body structure in, the stereogram of the assembled part of suspension shell.
Fig. 3 is the sectional view schematically of Fig. 2 III-III lines.
Fig. 4 is the stereogram for the state for removing front frame medial side part from Fig. 2 state.
Fig. 5 is the plan of suspension shell viewed from above.
Fig. 6 is the plan for observing suspension shell from below.
Fig. 7 is the stereogram of the lower end of suspension shell.
Fig. 8 is the stereogram of the 1st dividing plate.
Fig. 9 is the stereogram of the 2nd dividing plate.
Figure 10 is the stereogram for illustrating the open cross-sections portion of suspension shell and the configuration relation of dividing plate.
Figure 11 be for illustrate the effect of suspension shell, variation schematic diagram.
The explanation of symbol:
1 front body;3 front frames;33 installing plates (installation portion);4 coaming plate reinforcers;5 suspension shells;At the top of 52 suspensions;53 1st open cross-sections portion;Ridge line section (high rigidity portion) before 533;Ridge line section (high rigidity portion) after 534;54 the 2nd open cross-sections portions;543 Preceding ridge line section (high rigidity portion);Ridge line section (high rigidity portion) after 544;The dividing plates (intensive aspect) of 6A the 1st;The dividing plates (intensive aspect) of 6B the 2nd; 61st, 64 separate face;611 big through holes (through hole);613 lip portions;642 rigid ribs;71 suspension crossbeams
Embodiment
[outlining for the front vehicle body structure of vehicle]
Below based on brief description of the drawings embodiments of the present invention.Fig. 1 is the front portion for diagrammatically showing the vehicle V of the present invention The stereogram of the construction of car body 1.In Fig. 1, arrow, the overall width side of " preceding " and " rear " that has been attached on vehicle V fore-and-aft direction The arrow of " on " and " under " on the arrow on upward " left side " and " right side " and overall height direction.It is attached in figure after The arrow on " preceding " " rear " " on " " under " " left side " " right side " is consistent with Fig. 1 bearing mark.
Engine shroud 2, front frame 3, coaming plate reinforcer 4, suspension shell 5 and pair are provided with vehicle V front body 1 Frame 7.Front frame 3, coaming plate reinforcer 4 and suspension shell 5 are the body part of pair of right and left respectively, but in Fig. 1 in order to simple For the sake of and illustrate car body right part arrange part, eliminate diagram for car body left part.
Engine shroud 2 is plate longer on left and right directions, the front and rear forward portion for marking off compartment S and engine room E. Front frame 3 extends along vehicle fore-and-aft direction, forms closed section portion.The rear end of front frame 3 is combined with the front side of engine shroud 2. The intensive aspect (the 1st dividing plate 6A and the 2nd dividing plate 6B described later) for strengthening section is equipped in the closed section portion of front frame 3. It is engine room E between a pair of front frames 3, the inside is filled with the engine list for the omission diagram being made up of engine and speed changer etc. Member.
Coaming plate reinforcer 4 is configured on the outside of the overall width direction of front frame 3 and top, is extended along vehicle fore-and-aft direction.Relatively Front frame 3 in the right side of diagram, the coaming plate reinforcer 4 on right side configures about 45 degree on the right side is oblique of orientation.In the He of coaming plate reinforcer 4 Wheel cover WH space can be formed by being provided between front frame 3, and wheel cover WH covers the front-wheel for eliminating diagram.
Suspension shell 5 is the part for installing the component parts of suspension, specifically for by disc spring and attenuator structure Into damper (omit diagram) the part installed of upper end.Suspension shell 5, which has, houses the damper, lower ending opening Shell shape, front frame 3 and coaming plate reinforcer 4 are linked in the way of covering wheel cover WH top.Suspension shell 5 is by aluminium Part formed by die casting.It is of course also possible to be by suspension shell 5 formed by punch process of sheet metal part etc..
Secondary frame 7 is disposed on the body part of the lower section of front frame 3.Secondary frame 7 is located at engine room E lower section, including arranges The suspension crossbeam 71 of form between a pair of front frames 3.In addition, secondary frame 7 also includes from the left and right sides of suspension crossbeam 71 to car A pair of suspension links 72 for extending on the outside of cross direction, the pair of right and left engine beam 73 extended along vehicle fore-and-aft direction, It is erected at front beam 74 and crossbeam arm 75 between the front end of a pair of engine beams 73.Crossbeam arm 75 is erected in suspension It is the part for front frame 3 and suspension crossbeam 71 to be linked above crossbeam 71.In the upper end of crossbeam arm 75, collecting is provided with The cylindrical portion 76 of the fastening bolt (omitting diagram) of both links.
[major part of front body]
Fig. 2 be front body 1 in, the stereogram of the assembled part of the suspension shell 5 on right side.In this case, left It is (bearing mark is " interior ") on the inside of overall width direction, right is (bearing mark is " outer ") on the outside of overall width direction.Fig. 3 is Fig. 2 The sectional view schematically of III-III lines, Fig. 4 is the vertical of the state of removing front frame medial side part 31 described later from Fig. 2 state Body figure.
< front frames >
Front frame 3 is the rigidity of vehicle body part to form the closed section portion C1 extended along fore-and-aft direction, such as steel The bending process product of sheet material with good stiffness are constituted.Front frame 3 is made up of front frame medial side part 31 and front frame outer member 32, before this Inframe side part 31 is that the larger substantially U font of left and right directions width is constituted by cross sectional shape, and the front frame outer member 32 is by section shape Shape is that the larger substantially U font of left and right directions width is constituted.As shown in figure 3, front frame 3 (closed section portion C1) has section shape Shape is rectangular shape longer on above-below direction.Front frame 3 possess in its periphery towards on the outside of overall width direction (right side) outside 3A, 3C and positioned at bottom above towards superposed between inner face 3B, outside 3A and the inner face 3B on (left side) on the inside of overall width direction 3D below.
Front frame medial side part 31 in section view, possess extend along above-below direction side plate 310, from the upper of side plate 310 Hold the upper plate 311 extended to the right and the lower plate 312 extended to the right from the lower end of side plate 310.Above-mentioned crossbeam arm 75 Cylindrical portion 76 is abutted with the assigned position of lower plate 312.In the abutting portion, perforate out and had with cylindrical portion 76 in lower plate 312 The through hole 312A of the roughly the same diameter of standby hollow hole.Upper bead 313 extends upward from the right-hand member of upper plate 311.In addition, under Bead 314 extends downwards from the right-hand member of lower plate 312.
Front frame outer member 32 possesses the side plate 320 extended along above-below direction in section view.The upper end of side plate 320 And lower end is just bent slightly to the left.Upper bead 321 extends upward from the upper end of side plate 320, lower bead 322 from lower end downwards Extension.Upper bead 321 possess to install suspension shell 5 above and below the widening portion 321A that extends of width segments ground.Upper bead 313rd, 321 each other and lower bead 314,322 toward each other, it is affixed by spot welding etc..Pass through so affixed front frame medial side part 31 and front frame outer member 32, form closed section portion C1.
In the closed section portion C1 of front frame 3, in order to strengthen closed section portion C1 rigidity, the 1st dividing plate 6A is equipped with (intensive aspect) and the 2nd dividing plate 6B (intensive aspect).1st dividing plate 6A and the 2nd dividing plate 6B has the composition surface of the inner face for front frame 3. These dividing plates 6A, 6B details remain aftermentioned.
In addition, in the closed section portion C1 of front frame 3, being configured with the installing plate 33 for fixing suspension crossbeam 71 and (installing Portion).Installing plate 33 is made up of bending sheets, the horizontal plate part connected with the lower plate 312 with front frame medial side part 31.In the water Flat part is provided with through hole corresponding with the through hole 312A of lower plate 312 punch position.Omit the fastening bolt of diagram Inserted in the way of the hollow hole through the cylindrical portion 76 of these through holes 312A and the through hole and crossbeam arm 75. The welded nut 331 of side above installing plate 33 is screwed togather the fore-end of the fastening bolt with configuration, thus by front frame 3 and outstanding Frame crossbeam 71 is fixed.
< coaming plate reinforcers >
Coaming plate reinforcer 4 is the strengthening part that the sheet material with good stiffness such as steel is bent to L fonts, The vertical panel 42 hung down downwards including level board 41 and from the right-hand member of the level board 4.(the reference of rear end 43 of coaming plate reinforcer 4 Figure 11) it is fixed on the front column for omitting diagram.
< suspension shells >
In addition to Fig. 2~Fig. 4, referring also to Fig. 5~Fig. 7.Fig. 5 is the plan of suspension shell 5 viewed from above, Fig. 6 It is the plan of observation suspension shell 5 from below, Fig. 7 is the expansion stereogram of the lower end of suspension shell 5.Suspension shell 5 Possess housing main body 51, suspension the 52, the 1st open cross-sections portion 53 of top and the 2nd open cross-sections portion 54.The right-hand member side of suspension shell 5 The upper end 501 of coaming plate reinforcer 4 is affixed to, left end side is affixed to the lower end 502 of front frame 3.Height and position in upper end 501 Between the height and position of lower end 502, height corresponding with the difference of height of 3C above coaming plate reinforcer 4 and front frame 3 is there is Difference.
Housing main body 51 is the shell for turriform shape damper, with the substantially frustum of a cone for housing suspension.At the top of suspension 52 are located at the top of housing main body 51.52 have the suspension mounting hole 521 for installing the upper end of the damper at the top of suspension. The horizontal cross-section of housing main body 51 is generally circular, has planar portions 511 on its left side.Planar portions 511 are from the top of suspension 52 The vertical wall of lower end 502 is hung down and extended to downwards.
52 right neighbour, is provided with 503 above flat at the top of suspension.Upper surface portion 503 is located at lower than at the top of suspension 52 One section of height and position, is extended with banding in the longitudinal direction.In the right of upper surface portion 503, being extended has upper end bead 504.Upper end bead 504 is located at height and position of 503 low one sections than upper surface portion, is extended in the longitudinal direction with banding.Upper surface portion 503 and upper end bead 504 linked by vertical panel 505.
As shown in figure 3, the 52 load input unit P1 as the load that above-below direction is inputted from suspension at the top of suspension.Outside suspension Shell 5 is that coaming plate reinforcer 4 is fixed in upper end 501 in the position higher than lower end 502.Therefore, if load input unit P1 by from Lower section, which is applied with, makes the load of its jack-up, then as shown by arrow F, and easily generation suspension shell 5 is swung to interior on the inside of overall width direction Incline deformation.As described above, also can be to control stability, NVH even if suspension shell is merely creating a little introversion deformation Energy, strength durable performance etc. are impacted.
In order to resist above-mentioned introversion deformation force, it is desirable to which raising is deformation force, suspension shell 5 for arrow F direction Section second moment.The 1st open cross-sections portion 53 and the 2nd is set to open in suspension shell 5 to improve the section second moment Put cross-section 54.In this manual, open cross-sections portion (open cross-section) is not as above-mentioned closed section portion The such sections completely enclosed by sheet material of C1 or the section for only removing fraction of opening and being closed by sheet material, but with phase There is the section with opening that the mode of the protuberances such as square column type, V-shaped is formed by multiple kinks for plane.1st opens The open cross-sections portion 54 of cross-section 53 and the 2nd is separated each other in suspension shell 5 on vehicle fore-and-aft direction, specifically, with every Housing main body 51 (planar portions 511) and mode in tandem is configured.
1st open cross-sections portion 53 housing main body 51 front side in the way of front frame 3 and coaming plate reinforcer 4 to be bridged edge The extension of overall width direction.1st open cross-sections portion 53 is that the square column type formed by front and rear a pair of side plates 531 and web 532 is (so-called Shape for hat) open cross-sections portion.Open cross-sections space CA is shown in Fig. 6.The open cross-sections space CA is opened towards wheel cover WH sides Mouthful.As shown in fig. 7, a pair of side plates 531 is to have and 3C above front frame 3 near lower end 502 in the end of the side of front frame 3 (left side) Overall width direction the corresponding width d of width.Web 532 by the upper edge of a pair of side plates 531 (near lower end 502, a pair Ora terminalis on the inside of the overall width direction of side plate 531) link.
The side plate 531 of front side substantially extends to coaming plate reinforcer 4 from front frame 3.On the other hand, the side plate 531 of rear side Near the left end in the 1st open cross-sections portion 53, substantially reveal laterally from front frame 3 to the planar portions 511 of housing main body 51 Go out.As shown in fig. 6, the rear side of upper surface portion 503 is hidden near the right-hand member of the side plate 531 of rear side, in addition, near center It is connected with the right side of housing main body 51.
A pair of side plates 531 and web 532 (two faces in closed section portion) are the faces intersected with being substantially mutually orthogonal.Before The part that the side plate 531 and web 532 of square side are intersected is preceding ridge line section 533, the side plate 531 and web 532 of rear side The part intersected is rear ridge line section 534.Preceding ridge line section 533 substantially extends to coaming plate reinforcer on overall width direction from front frame 3 4.Ridge line section 534 substantially extends to planar portions 511 from front frame 3 afterwards.But, the right-hand member of rear ridge line section 534 is with web 532 and outside The crest line that the wall of the front side of shell main body 51 is intersected is connected, and the rear ridge line section 534 essentially as high rigidity portion is extended to Near coaming plate reinforcer 4.It is rigid that these preceding ridge line sections 533 and rear ridge line section 534 play raising in the 1st open cross-sections portion 53 The effect in high rigidity portion, improves the section second moment of suspension shell 5.
2nd open cross-sections portion 54 housing main body 51 rear side in the way of front frame 3 and coaming plate reinforcer 4 to be bridged edge The extension of overall width direction.Same with the 1st open cross-sections portion 53, the 2nd open cross-sections portion 54 is by front and rear a pair of side plates 541 and linked The open cross-sections portion of the shape for hat of the formation of plate 542.A pair of side plates 541 also have near the end of the side of front frame 3 with above front frame 3 The corresponding width d of width in 3C overall width direction.Web 542 is by the upper edge (car of a pair of side plates 541 of a pair of side plates 541 Ora terminalis on the inside of cross direction) link.
The width of the fore-and-aft direction of web 542 is more wider than the web 532 in the 1st open cross-sections portion 53, in addition, side Plate 541 and web 542 are identical with the side plate 531 and web 532 in the 1st open cross-sections portion 53.The side plate 541 of front side and company The part that knot tying 542 is intersected is preceding ridge line section 543, and the part that the side plate 541 and web 542 of rear side are intersected is rear rib Line portion 544.Ridge line section 544 is the crest line suitable with the preceding ridge line section 533 in the 1st open cross-sections portion 53 afterwards, preceding ridge line section 543 be with The suitable crest line of ridge line section 534 afterwards.These preceding ridge line sections 543 and rear ridge line section 544 play raising in the 2nd open cross-sections portion 54 The effect in rigid high rigidity portion, improves the section second moment of suspension shell 5.
The explanation > of the link formations of < suspension shells
Next the side of upper end 501 of suspension shell 5 and the link formations of the side of lower end 502 are illustrated.In upper end 501, by upper Face 503 and upper end bead 504 constitute the linking part with coaming plate reinforcer 4.Reference picture 3, upper surface portion 503 and coaming plate reinforcer 4 The left part of level board 41 overlap in the vertical direction.The bottom of the right-hand member of upper end bead 504 nearby with vertical panel 42 is prominent Edge is overlapped.In these intersections, upper end 501 and coaming plate reinforcer 4 are fixed.
The linking part of such upper end 501 and coaming plate reinforcer 4 is formed as a result, in linking part formation along front and rear The closed section portion C2 of direction extension.That is, the left part of the right-hand part of level board 41 and upper end bead 504 and vertical Plate 42 and vertical panel 505 are spaced one from that compartment of terrain is opposed, and the space crossed by them is closed section portion C2.Closed by forming this Cross-section C2 is closed, the rigidity of the side of upper end 501 of suspension shell 5 is improved.
Next the link formations of the side of lower end 502 is illustrated.Suspension shell 5 is as the linking portion for front frame 3 Lower end 502 has segmenting part 55, the 1st connecting portion 535 and the 2nd connecting portion 545.Segmenting part 55 is used to cause the 1st open cross-sections 5C turns into non-connect above the end (end of the side of front frame 3) of the side of lower end 502 in open cross-sections portion 54 of portion 53 and the 2nd and front frame 3 Touch.The lower ora terminalis 53E in the 1st open cross-sections portion 53 and lower ora terminalis 54E in the 2nd open cross-sections portion 54 is shown in Fig. 7.By being formed Segmenting part 55, these lower ora terminalis 53E, 54E are opposed with 5C above across the gap of segmenting part 55.That is, the 1st, the 2nd open cross-sections portion 53rd, 54 disconnect in the position of segmenting part 55.
Front frame 3 and wheel cover WH is abutted.Therefore, when travelling the rainy day etc., water droplet may splash front frame 3 from wheel cover WH sides 5C above.Touch if lower ora terminalis 53E, the 54E in the 1st, the 2nd open cross-sections portion 53,54 are extended to downwards with 5C above, institute State water droplet and be easily trapped in the contiguity part.But, as in the present embodiment, make lower ora terminalis by setting segmenting part 55 53E, 54E and 5C above separation, can prevent hydropexis in 5C above.
In addition, in the present embodiment, suspension shell 5 is formed by aluminium die casting, front frame 3 is formed by steel.That is, outside suspension Shell 5 and front frame 3 are different types of metals, but by forming segmenting part 55, can be reduced as far as the portion of both abuttings Point.Galvano-cautery asks caused by the problems such as therefore, it is possible to suppress the corrosion caused by the contact of dissimilar metals, particularly water Topic.
1st, the 2nd connecting portion 535,545 is in order to by the inner face 3B connections in the 1st, the 2nd open cross-sections portion 53,54 and front frame 3 And set.1st connecting portion 535 is the flat part being connected with downwards from the lower end of the web 532 in the 1st open cross-sections portion 53 Point.Equally, the 2nd connecting portion 545 is the plate part being connected with downwards from the lower end of the web 532 in the 2nd open cross-sections portion 54. 1st, the 2nd connecting portion 535,545 in the way of overlapping in the lateral direction across segmenting part 55 with inner face 3B upper section Extend downwards.1st, the 2nd connecting portion 535,545 is tied with inner face 3B intersection by spot welding etc. with inner face 3B Close.In Fig. 3 inner side fixed part P2 is schematically shown as its fixed part.
Suspension shell 5 also has the lip portions 3F (outside 3A sides) of linking part to(for) front frame 3 in the side of lower end 502.In order to The linking part is formed, suspension shell 5 possesses the 1st extension 512, the 2nd extension 513 and the 3rd extension 514.1st extension 512 be the flat part being connected with the lower end of planar portions 511, between the 1st open cross-sections portion 53 and the 2nd open cross-sections portion 54. The flat part that front side of 2nd extension 513 in the 1st open cross-sections portion 53 is adjacently set.3rd extension 514 is opened the 2nd Put the flat part that the rear side of cross-section 54 is adjacently set.
As shown in Fig. 2, Fig. 7, lower ora terminalis 53E, the 54E in the 1st, the 2nd open cross-sections portion 53,54 and the 1st, the 2nd, the 3rd extension The lower ora terminalis in portion 512,513,514 is the same face.In addition, as shown in fig. 6, the configuration of the 1st~the 3rd extension 512~514 is in left and right The almost identical position in direction, in the longitudinal direction linearly to arrange.The side of front frame 3 in the 1st, the 2nd open cross-sections portion 53,54 The plane that end is formed from the 1st~the 3rd extension 512~514 is protruded to the left.
In the lip portions 3F of front frame 3, as described above, be provided with above and below the width widening portion longer than other parts 321A.Widening portion 321A has can be with the whole opposed front and rear width of the 1st~the 3rd extension 512~514.1st~the 3rd prolongs Long portion 512~514 is overlapped in the lateral direction with widening portion 321A, and widening portion is fixed to by spot welding etc. in the intersection 321A.In Fig. 3 outside fixed part P3 is shown as its fixed part.When being looked up in vehicle front and back, from front side according to It is secondary to arrange the 2nd extension 513, the 1st connecting portion 535, the 1st extension 512, the 2nd connecting portion 545 and the 3rd extension 514.Cause This, outside fixed part P3 and inner side fixed part P2 are alternately configured on vehicle fore-and-aft direction.
The reinforcement construction > of < suspension shells
Suspension shell 5 improves the deformation patience in overall width direction by possessing the 1st, the 2nd open cross-sections portion 53,54, but It is in addition, also with other reinforcement constructions.Constructed as the reinforcement, suspension shell 5 possesses the 1st longitudinal rib 536, the 2nd longitudinal rib 546th, the 1st cross rib 537, the 2nd cross rib 547, heavy section 56 and internal-rib 571~579 (Fig. 6).
1st longitudinal rib 536 is arranged at the 1st connecting portion 535 being connected with the 1st open cross-sections portion 53, and the 2nd longitudinal rib 546 is arranged at The 2nd connecting portion 545 being connected with the 2nd open cross-sections portion 54.1st, the 2nd longitudinal rib 536,546 respectively be suppress the 1st connecting portion 535, Rib from 2nd connecting portion 545 to the flexural deformation in overall width direction.Due to setting segmenting part 55, the lower end 502 of suspension shell 5 It is connected with the inner face 3B of front frame 3 by the 1st, the 2nd connecting portion 535,545 constructed without open cross-sections, so the part can It can turn into the weakness portion of mechanical strength.But, by setting the 1st, the 2nd longitudinal rib 536,546, it is possible to increase the 1st, the 2nd connection The rigidity in portion 535,545, and the introversion deformation of suspension shell 5 can be suppressed.
1st longitudinal rib 536 is darted at the left side of the 1st connecting portion 535, is the elongated rib extended along above-below direction.Here, Show the example that 2 article of the 1st longitudinal rib 536 be arranged in parallel at spaced intervals in the longitudinal direction.Equally, the 2nd longitudinal rib 546 is darted at The left side of 2nd connecting portion 545, is the elongated rib extended in above-below direction.2nd connecting portion 545 is relatively wide, so 3 article the 2nd Longitudinal rib 546 be arranged in parallel at spaced intervals in the longitudinal direction.
1st cross rib 537 is darted at the lower end of a pair of side plates 531 in the 1st open cross-sections portion 53, the 2nd cross rib 547 respectively The lower end of a pair of side plates 541 in the 2nd open cross-sections portion 54 is darted at respectively.By forming the 1st, the 2nd cross rib 537,547, Inhibit the deflection deformation of the left and right directions of a pair of side plates 531,541.I.e., although due to formed segmenting part 55 and side plate 531, 541 become fragile near lower ora terminalis 53E, 54E, but improve rigidity by the 1st, the 2nd cross rib 537,547.
The elongated rib that 1st cross rib 537 is directed towards left and tilted down, the 1st cross rib 537 of front side is from the 2nd extension 513 extend to the 1st connecting portion 535, and the 1st cross rib 537 of rear side extends to the 1st connecting portion 535 from the 1st extension 512.Equally, 2nd cross rib 547 is directed towards the elongated rib that left is tilted down, and the 2nd cross rib 547 of front side extends to from the 1st extension 512 2 connecting portions 545, the 2nd cross rib 547 of rear side extends to the 2nd connecting portion 545 from the 3rd extension 514.In addition, the 1st, the 2nd cross rib 537th, 547 the one party in a pair of side plates 531,541 can also be configured.
Heavy section 56 is for the 1st, the 2nd company together with the 1st, the 2nd longitudinal rib 536,546 to being constructed without open cross-sections Socket part 535,545 is strengthened and set.Heavy section 56 is formed in the part relative with segmenting part 55, in the heavy section 56 Forming part, the thickness of slab increase compared with the other parts of suspension shell 5 of the 1st, the 2nd connecting portion 535,545.As shown in fig. 6, heavy wall Portion 56 is the rear side in the 1st, the 2nd connecting portion 535,545 with the increased mode of thickness is protruded upward from below part. Such heavy section 56 can be readily formed by aluminium die casting.In the 1st connecting portion 535, heavy section 56 is configured at front and rear a pair Between 1st longitudinal rib 536.In addition, in the 2nd connecting portion 545, heavy section 56 is configured between the 2nd longitudinal rib 546 of front and back end.3 it In the 2nd central longitudinal rib 546 be darted on heavy section 56.By configuring such heavy section 56, the 1st, the 2nd is further improved The rigidity of connecting portion 535,545.
As shown in fig. 6, internal-rib 571~579 is the open cross-sections by the 1st open cross-sections portion 53 and the 2nd open cross-sections portion 54 Rib that space CA is separated, extending along fore-and-aft direction.In the open cross-sections space CA in the 1st open cross-sections portion 53, in 4 Rib 571,572,573,574 separates appropriate interval and configured.Internal-rib 571~574 extends between a pair of side plates 531, will The open cross-sections space CA in the 1st open cross-sections portion 53 is divided into multiple spaces.Open cross-sections space in the 2nd open cross-sections portion 54 In CA, 5 internal-ribs 575,576,577,578,579 separate appropriate interval and configured.Internal-rib 575~579 is throughout a pair of side plates Extend between 541, the open cross-sections space CA in the 2nd open cross-sections portion 54 is divided into multiple spaces.
< dividing plates (bulk head) >
As shown in figure 4, being equipped with the 1st dividing plate for being strengthened the section in the closed section portion C1 of front frame 3 6A and the 2nd dividing plate 6B (intensive aspect).1st dividing plate 6A and the 2nd dividing plate 6B are to implement punching to the sheet material that steel etc. have good stiffness Part formed by hole and bending process etc., closed section portion C1 is separated, and plays the rigidity for improving closed section portion C1 Effect.Details remains aftermentioned, and the 1st dividing plate 6A is arranged approximately in the extension for extending in the 1st open cross-sections portion 53 downwards Region, the 2nd dividing plate 6B is arranged approximately in the extended area for extending in the 2nd open cross-sections portion 54 downwards.
Fig. 8 is the 1st dividing plate 6A stereogram.1st dividing plate 6A is included by along before and after being extended with closed section portion C1 Direction it is orthogonal up and down and left and right directions extension flat board constitute separation face 61.Separating face 61 has square longer up and down Shape shape, its size is identical substantially with closed section portion C1 sectional dimension.By the separation face 61, closed section portion C1's Space is separated by front and rear.
From 4 sides for separating face 61, bead 621, lower bead 622, right bead 623 and left bead are equipped with respectively 624.These beads 621,622,623,624 have tongue-shaped shape, are bent to respectively relative to separation face 61 substantially straight Angle and formed.The overbending direction of left bead 624 is rear, and other overbending directions are front.
Bead 621,622,623,624 is the junction surface for front frame 3.Reference picture 3, Fig. 4, upper bead 621 pass through spot welding The upper plate 311 of front frame medial side part 31 is secured to, lower bead 622 is secured to lower plate 312 by spot welding, and right bead 623 passes through spot welding The side plate 320 of front frame outer member 32 is secured to, left bead 624 is secured to the side plate 310 of front frame medial side part 31 by spot welding.
Ridge line section 63 on the border for separating face 61 and left bead 624 is provided with 2 recesses 631.These recesses 631 are Hemispherical recess, is stamping as so that a part for ridge line section 63 is prominent to right back.By forming such recess 631, it is possible to increase dividing plate 6A rigidity, it is possible to increase reinforcement abilities of the 1st dividing plate 6A to closed section portion C1.In Fig. 8 example In son, show only above-below direction length most long left bead 624 the formation recess 631 of ridge line section 63, but at other The ridge line section of bead can also set same recess.
Separating the facial 61 big through holes 611 and 2 small through hole 612 for being provided with insertion in the longitudinal direction.Pass through greatly Through hole 611 is elongated hole longer on above-below direction, is the hole for making fluid circulate well in the longitudinal direction.Separate face 61 by the closed section portion C1 blockings of the front frame 3 extended along fore-and-aft direction.In the manufacturing process of the car body comprising front body 1 In, there is the process to the car body electropaining antirust agent, in the process, car body is soaked in electropaining liquid.If here, division surface Closed section portion C1 blockings, then electropaining liquid possibly can not be dipped into the inner face of front frame 3 well by portion 61.By forming big insertion Hole 611, the electropaining liquid energy is enough through big through hole 611 and front and rear circulation, and electropaining can be carried out well.Small through hole 612 It is also the hole that electropaining liquid can be made to circulate, but is used exclusively for the hole of spot welding.In addition, by forming big through hole 611 and small passing through Through hole 612, realizes the 1st dividing plate 6A lightweight.
In the edge of big through hole 611, lip portions 613 formed by polishing processing are provided with.Lip portions 613 be by Formed by the edge of big through hole 611 is bent up forwards.As described above, big through hole 611 plays circulating, gently for electropaining liquid The effect such as quantization, but be due to that the rigidity to form the big through hole 611 and separate face 61 declines.Here, by big insertion The edge in hole 611 sets lip portions 613, it is possible to increase separate the rigidity of face 61.Particularly, lip portions 613 have upper and lower Upward longer shape, so the load for separating face 61 for being applied to the 1st dividing plate 6A along above-below direction can be improved Rigidity.That is, for via the 1st open cross-sections portion 53 at the top of the suspension 52 load applied, separate face 61 have it is stronger resistance to Property.
Fig. 9 is the 2nd dividing plate 6B stereogram.2nd dividing plate 6B is also same with above-mentioned separation face 61, possesses closed section The separation face 64 separated before and after portion C1 space.It is the flat board gently bent along the longitudinal direction to separate face 64, is had Longer rectangular shape up and down.Its size is identical substantially with closed section portion C1 sectional dimension.From 4 sides for separating face 64 Bead 651, lower bead (not shown in fig .9), right bead 652 and left bead 653 are equipped with respectively.These beads 651, 652nd, 653 have tongue-shaped shape, are formed by being bent to approximate right angle respectively relative to separation face 64.Right bead 652 overbending direction is rear, and other overbending directions are front.
Bead 651,652,653 is the junction surface for front frame 3.Reference picture 3, Fig. 4, upper bead 651 are affixed by spot welding To the upper plate 311 of front frame medial side part 31, lower bead (not shown) is secured to lower plate 312 by spot welding, and right bead 652 passes through spot welding The side plate 320 of front frame outer member 32 is secured to, left bead 653 is secured to the side plate 310 of front frame medial side part 31 by spot welding.
Separating 2 rigid ribs 642 that face 64 is provided with small through hole 641 and extended along above-below direction.It is small Through hole 641 is the hole set for the circulation and spot welding of electropaining liquid.Rigid rib 642 is made point by implementing punch process It is rearward prominent and formed with section semicircle shape every a part for face 64.By forming rigid rib 642, it is possible to increase point Every the rigidity of face 64.Rigid rib 642 has shape longer on above-below direction, so 64 pairs of separation face can be improved In the patience for the load for being applied to the 2nd dividing plate 6B along the vertical direction.That is, at the top of the suspension 52 via the 2nd open cross-sections portion 54 load applied, separating face 64 has stronger patience.
Other formations > of < front bodies
In addition to the foregoing, mud guard 8, wheel guard 9 (reference picture 4) are additionally provided with front body 1.Mud guard 8 is The part of wheel cover WH top is covered, is the impacts such as the sludge, stone or water droplet that prevent tire from splashing or enters the part of car body. Mud guard 8 is configured in the lower section of suspension shell 5, with the installation portion for suspension shell 5.In addition, mud guard 8 possesses in lower end Nearby cover the extension (omitting diagram) of the opening portion at the back side in the 1st open cross-sections portion 53 and the 2nd open cross-sections portion 54.Wheel Baffle plate 9 is configured at the rear and lower section of suspension shell 5, is set specifically for the traveling sound for blocking tire.
[configuration relation of open cross-sections portion and dividing plate]
In the present embodiment, the 1st open cross-sections portion 53 and the 2nd open cross-sections portion by possessing to suspension shell 5 54 and the 1st dividing plate 6A that is disposed in the closed section portion C1 of front frame 3 and the 2nd dividing plate 6B position relationship is implemented certain Measure, it is possible to increase for the patience from the load of 52 inputs at the top of suspension.On this point, reference picture 10 is illustrated.Figure 10 be for illustrating the 1st, the 2nd open cross-sections portion the 53,54 and the 1st, the stereogram of the 2nd dividing plate 6A, 6B configuration relation.In Figure 10 In, front frame 3 is in the state that front frame medial side part 31 is removed.
The vicinity for the position that 1st dividing plate 6A is connected in the lower end side with preceding ridge line section 533 is disposed in closed section portion C1, The preceding ridge line section 533 be the 1st open cross-sections portion 53 possess along overall width direction extend high rigidity portion among one. In Figure 10, the imaginary line L1 being connected with the lower end side of preceding ridge line section 533 is depicted.Than imaginary line L1 lateral deviations forwards slightly Move, configure the 1st dividing plate 6A (separating face 61).By configuring like this in the 1st dividing plate 6A, front frame 3 by from the 1st open cross-sections The rigidity raising of the part of the imposed load of portion 53.
Equally, the neighbouring configuration for the position that the 2nd dividing plate 6B is connected in the lower end side with preceding ridge line section 543 is in closed section portion In C1, the preceding ridge line section 543 be the 2nd open cross-sections portion 54 possess along overall width direction extend high rigidity portion among one It is individual.In Figure 10 in addition to above-mentioned imaginary line L1, the imaginary line being connected with the lower end side of preceding ridge line section 543 is also depicted L2.Than imaginary line L2, side is offset forwards slightly, configures the 2nd dividing plate 6B (separating face 64).By configuring the 2nd like this Improved in dividing plate 6B, front frame 3 from the rigidity of the part of the imposed load of the 2nd open cross-sections portion 54.In addition, the 2nd dividing plate 6B's The vicinity of allocation position is arranged, is configured with and (welded nut is illustrate only in Figure 10 for fixing the installing plate 33 of suspension crossbeam 71 331)。
Shown in Figure 10 the 1st, the 2nd dividing plate 6A, 6B arranging form be the present invention one.Preferably, the 1st dividing plate 6A with The mode for being connected (along imaginary line L1) with the preceding ridge line section 533 in the 1st open cross-sections portion 53 or being connected with rear ridge line section 534 It is disposed in closed section portion C1.In addition, the 2nd dividing plate 6B is preferably to be connected with the preceding ridge line section 543 with the 2nd open cross-sections portion 54 (along imaginary line L2) or it is disposed in the mode that rear ridge line section 544 is connected in closed section portion C1.
In addition, in the present invention, the 1st, the 2nd dividing plate 6A, 6B can also be arranged on the 1st, the 2nd open cross-sections portion 53,54 Any part in the range of fore-and-aft direction.Figure 11 is the figure for schematically illustrating front frame 3 and suspension shell 5.In fig. 11, will The front and rear width means in the 1st open cross-sections portion 53 are a1, are a2 by the front and rear width means in the 2nd open cross-sections portion 54.1st dividing plate 6A is disposed in the range of front and rear width a1 in the closed section portion C1 of front frame 3.In addition, the 2nd dividing plate 6B is in front and rear width It is disposed in the range of degree a2 in closed section portion C1.Front and rear width a1 scope is to be clipped in preceding ridge line section 533 and rear rib Region between 2 high rigidity portions in line portion 534, is the part for being applied to the load from the 1st open cross-sections portion 53.Therefore, By arranging the 1st dividing plate 6A in the range of front and rear width a1, the load can be accepted.Front and rear width a2 and the 2nd dividing plate 6B Relation similarly.
It is described in addition, above having been based on Figure 10, is somewhat arranged on the front in the scope than front and rear width a1, a2 1st, the 2nd dividing plate 6A, 6B form is also one of embodiments of the present invention.In contrast, can also be than front and rear width a1, a2 Scope somewhat rearward arrange the 1st, the 2nd dividing plate 6A, 6B.The front and rear near zone of front and rear width a1, a2 scope be also by Apply the region of the load from the 1st, the 2nd open cross-sections portion 53,54.Therefore, the scope from front and rear width a1, a2 forward or In the case that slightly slightly offset position arranges the 1st, the 2nd dividing plate 6A, 6B afterwards, the load can be also accepted.
[action effect]
The front vehicle body structure of the vehicle of present embodiment from the description above, can realize following action effect. Suspension shell 5 possesses the 1st open cross-sections portion extended in the way of front frame 3 and coaming plate reinforcer 4 to be bridged along overall width direction 53 and the 2nd open cross-sections portion 54.1st open cross-sections portion 53 has the preceding ridge line section extended along overall width direction as high rigidity portion 533 and rear ridge line section 534.In addition, the 2nd open cross-sections portion 54 has the preceding crest line extended along overall width direction as high rigidity portion Portion 543 and rear ridge line section 544.This improves the deformation patience in the overall width direction of suspension shell 5.
For strengthen front frame 3 closed section portion C1 rigid 1st dividing plate 6A in the preceding rib with the 1st open cross-sections portion 53 The vicinity of the connected position in line portion 533 is disposed in closed section portion C1, the 2nd dividing plate 6B with before the 2nd open cross-sections portion 54 The vicinity of the connected position of ridge line section 543 is disposed in closed section portion C1.Thus, load is transmitted from suspension shell 5 in front frame 3 The face of the part of lotus is rigidly improved by the 1st, the 2nd dividing plate 6A, 6B, and the load can be made to be distributed to other portions via front frame 3 Part.Therefore, it is possible to the deformation in the overall width direction for suppressing suspension shell 5.
Reference picture 3, being applied from below as at the top of load input unit P1 suspension 52 makes the load of its jack-up.Thus, Suspension shell 5 is applied the power (introversion deformation force) shown in arrow F.Arrow F deformation force is main from the 1st, the 2nd open cross-sections Portion 53,54 is delivered to above front frame 3 near 3C.Particularly, the deformation force is transmitted as readily to as the 1st, the 2nd open cross-sections In the preceding ridge line section 533,543 in the high rigidity portion in portion 53,54 and the extended line of rear ridge line section 534, the 544 or area near it Domain.In the present embodiment, the 1st, the 2nd dividing plate 6A, 6B is arranged respectively in such region.Thus, improve and close in the region Close cross-section C1 rigidity, front frame 3 will not be by the deformation force compressive strain, can be by being present in the lower section of suspension shell 5 Entirety is constructed to accept the deformation force.Therefore, it is suppressed that the introversion deformation of suspension shell 5.
In more detail, configured for fixing the installing plate 33 (welded nut 331) of suspension crossbeam 71 the 2nd dividing plate 6B's The vicinity of equipping position.Therefore, based on to the deformation force of 52 load at the top of suspension from suspension shell 5 be applied to the 2nd every In the case of plate 6B, the deformation force can be made to be distributed to front frame 3 and suspension crossbeam 71 and transmit.
The edge for the big through hole 611 that 1st dividing plate 6A is constituted in longer elongated hole on above-below direction has lip portions 613, separation face 61 is improved for the rigidity of the load applied along the vertical direction.2nd dividing plate 6B also has along upper and lower To the rigid rib 642 of extension, separation face 64 is improved for the rigidity of the load applied along the vertical direction.These beads Portion 613, rigid rib 642 are located substantially at the preceding ridge line section from the high rigidity portion as the 1st, the 2nd open cross-sections portion 53,54 533rd, on the extended line that 543 end extends downward.Therefore, there is height on the direction from the imposed load of suspension shell 5 Rigid 1st, the 2nd dividing plate 6A, 6B is assembled into the closed section portion C2 of front frame 3.Thus, closed section portion C2 is further improved Intensity, further improve the patience that suspension shell 5 is deformed for introversion.
And then, schematically shown in such as Figure 11, relative to the front and rear width a1 in the 1st open cross-sections portion 53, the 2nd opening is cut The front and rear width a2 of face 54 is bigger.The rear end 43 of coaming plate reinforcer 4 is fixed to the front column for omitting diagram, coaming plate reinforcer 4 front side, suspension shell 5 with the rear end 43 can be fulcrum and Ce Oscillating are moved into overall width direction.The Oscillating power is also to turn into The reason for heel of suspension shell 5 is deformed., will be apart from the (Oscillating activity supporting points of rear end 43 in view of this point) closer to the 2nd open cross-sections The front and rear width a2 in portion 54 is set to wider, is conducive to reducing with construction of the rear end 43 for the bending moment of starting point so as to employ. By the feature of the constructivity, suppress the introversion deformation of suspension shell 5.
[explanation of variant embodiment]
An embodiment of the invention is explained above, but the invention is not restricted to this, various modifications can be obtained real Apply mode.For example, in the above-described embodiment, the high rigidity portion for showing the 1st, the 2nd open cross-sections portion 53,54 is preceding ridge line section 533rd, 543 and rear ridge line section 534,544 example.High rigidity portion can also be along overall width direction in addition to ridge line section, such as Reinforcement or rib of extension etc..But, compared with setting up the situation of reinforcement or rib in the 1st, the 2nd open cross-sections portion 53,54, on Ridge line section can be more easily formed high rigidity portion as stating embodiment.
The front vehicle body structure of vehicle of the invention from the description above, even if suspension top 52 is applied in big load Lotus, can also improve section second moment of the suspension shell 5 for the deformation force in overall width direction.Therefore, it is possible to suppress outside suspension The introversion deformation of shell 5.

Claims (6)

1. a kind of front vehicle body structure of vehicle, possesses:
Front frame, extends along vehicle fore-and-aft direction, forms closed section portion;
Coaming plate reinforcer, configures on the outside of the overall width direction of the front frame and top, extends along vehicle fore-and-aft direction;
Suspension shell, the component parts for installing suspension links the front frame and the coaming plate reinforcer;And
Intensive aspect, is disposed in the closed section portion of the front frame, is engaged with the front frame,
The suspension shell possesses open cross-sections portion, the open cross-sections portion with by the front frame and the coaming plate reinforcer bridge joint Mode extends along overall width direction, and the open cross-sections portion has the high rigidity portion extended along overall width direction,
The position or the vicinity of the position that the intensive aspect is connected in the end with the front frame side in the high rigidity portion are matched somebody with somebody It is located in the closed section portion.
2. the front vehicle body structure of vehicle as claimed in claim 1,
The high rigidity portion is the ridge line section that 2 faces are intersected in the open cross-sections portion.
3. the front vehicle body structure of vehicle as claimed in claim 1,
The front frame is provided with pair of right and left, and the front vehicle body structure of the vehicle possesses the suspension being disposed between a pair of front frames Crossbeam,
The front frame has the installation portion for being used for fixing the suspension crossbeam in the vicinity of the equipping position of the intensive aspect.
4. the front vehicle body structure of vehicle as claimed in claim 2,
The front frame is provided with pair of right and left, and the front vehicle body structure of the vehicle possesses the suspension being disposed between a pair of front frames Crossbeam,
The front frame has the installation portion for being used for fixing the suspension crossbeam in the vicinity of the equipping position of the intensive aspect.
5. such as front vehicle body structure of vehicle according to any one of claims 1 to 4,
The intensive aspect is that possess the dividing plate of the separation face of the closed section spaced-apart,
The face that separates possesses the rigid rib upwardly extended in the extended line side of the end in the high rigidity portion.
6. such as front vehicle body structure of vehicle according to any one of claims 1 to 4,
The intensive aspect is that possess the dividing plate of the separation face of the closed section spaced-apart,
The separation face possesses through hole, and lip portions are formed with the edge of the through hole.
CN201611087917.5A 2015-12-21 2016-12-01 The front vehicle body structure of vehicle Active CN107031734B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015248510A JP6500768B2 (en) 2015-12-21 2015-12-21 Front body structure of the vehicle
JP2015-248510 2015-12-21

Publications (2)

Publication Number Publication Date
CN107031734A true CN107031734A (en) 2017-08-11
CN107031734B CN107031734B (en) 2019-11-01

Family

ID=58993972

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611087917.5A Active CN107031734B (en) 2015-12-21 2016-12-01 The front vehicle body structure of vehicle

Country Status (4)

Country Link
US (1) US10336376B2 (en)
JP (1) JP6500768B2 (en)
CN (1) CN107031734B (en)
DE (1) DE102016015020B4 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107662650A (en) * 2016-07-27 2018-02-06 马自达汽车株式会社 The front vehicle body structure of vehicle
CN108275210A (en) * 2018-02-11 2018-07-13 安徽江淮汽车集团股份有限公司 A kind of damper tower structure assembly
CN112849271A (en) * 2019-11-12 2021-05-28 现代自动车株式会社 Vehicle front structure
US20230391403A1 (en) * 2021-11-04 2023-12-07 Contemporary Amperex Technology Co., Limited Longitudinal beam assembly and automobile chassis

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6432576B2 (en) * 2016-08-30 2018-12-05 マツダ株式会社 Rear body structure of the vehicle
JP6428821B2 (en) * 2017-03-27 2018-11-28 マツダ株式会社 Rear body structure of the vehicle
US11279415B2 (en) * 2017-07-06 2022-03-22 Honda Motor Co., Ltd. Vehicle body structure
FR3075105B1 (en) * 2017-12-20 2021-01-08 Renault Sas SHOCK ABSORBER CUP WITH PARTIALLY DECOUPLETED FLUSHING ZONE
JP6973328B2 (en) * 2018-08-22 2021-11-24 マツダ株式会社 Vehicle front body structure
JP7067365B2 (en) * 2018-08-22 2022-05-16 マツダ株式会社 Vehicle front body structure
US10899109B2 (en) 2019-03-11 2021-01-26 Honda Motor Co., Ltd. Multi-material joint and method of making thereof
US10953930B2 (en) 2019-03-26 2021-03-23 Honda Motor Co., Ltd. Damper housing assembly
US10953924B2 (en) * 2019-07-17 2021-03-23 GM Global Technology Operations LLC Bolted casting to casting flexible body variant shock tower system
DE102020205713A1 (en) 2020-05-06 2021-11-11 Volkswagen Aktiengesellschaft Body structure for a vehicle
US11390326B2 (en) 2020-06-05 2022-07-19 Honda Motor Co., Ltd. Vehicle front body structure
US11505021B2 (en) * 2021-02-03 2022-11-22 GM Global Technology Operations LLC Multi-tiered body frame integral structure for off road vehicles
CN113844548B (en) * 2021-09-30 2024-04-19 重庆长安汽车股份有限公司 Promote whole car side roll performance's engine compartment additional strengthening
WO2023181197A1 (en) * 2022-03-23 2023-09-28 三菱自動車工業株式会社 Vehicle body structure
FR3148981A1 (en) * 2023-05-22 2024-11-29 Psa Automobiles Sa ANTI-TRANSLATION REINFORCEMENT PIECE TO PROTECT A MOTOR VEHICLE PANEL IN THE EVENT OF A FRONT IMPACT

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1134911A (en) * 1997-07-22 1999-02-09 Yorozu:Kk Reinforcement structure for vehicle members
JP2004106704A (en) * 2002-09-18 2004-04-08 Fuji Heavy Ind Ltd Car body front structure
US20060097533A1 (en) * 2004-11-08 2006-05-11 Asteer Co., Ltd. Bulkhead for raising strength and rigidity of vehicular frame members
CN101037118A (en) * 2006-03-15 2007-09-19 马自达汽车株式会社 Vehicle front body structure
JP2009248818A (en) * 2008-04-08 2009-10-29 Honda Motor Co Ltd Vehicular body front structure
JP2010280237A (en) * 2009-06-02 2010-12-16 Daihatsu Motor Co Ltd Front lower part structure for vehicle
CN104334441A (en) * 2012-12-27 2015-02-04 丰田自动车株式会社 Vehicle body front section structure
JP2015077819A (en) * 2013-10-15 2015-04-23 三菱自動車エンジニアリング株式会社 Reinforcing structure of vehicle spring house
JP2015085801A (en) * 2013-10-30 2015-05-07 トヨタ自動車株式会社 Suspension tower and vehicle front structure

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0518231Y2 (en) 1987-08-01 1993-05-14
JP2003137132A (en) 2001-11-08 2003-05-14 Toyota Motor Corp Spring support structure
JP4168812B2 (en) * 2003-04-07 2008-10-22 三菱自動車工業株式会社 Connecting structure at the rear of the car body
JP4077433B2 (en) * 2004-07-07 2008-04-16 本田技研工業株式会社 Body front structure
JP4455533B2 (en) 2006-04-27 2010-04-21 本田技研工業株式会社 Body front structure
DE102007035483B4 (en) * 2007-07-28 2013-11-07 Dr. Ing. H.C. F. Porsche Aktiengesellschaft crash facility
JP4523976B2 (en) * 2008-03-17 2010-08-11 本田技研工業株式会社 Body front structure
US7828330B2 (en) * 2008-03-17 2010-11-09 Honda Motor Co., Ltd. Vehicle front body structure
JP5471061B2 (en) 2009-06-23 2014-04-16 日産自動車株式会社 Suspension tower structure
JP5504820B2 (en) 2009-10-26 2014-05-28 マツダ株式会社 Front body structure of the vehicle
JP5790333B2 (en) * 2011-08-31 2015-10-07 マツダ株式会社 Vehicle body structure
JP5640934B2 (en) 2011-09-13 2014-12-17 三菱自動車工業株式会社 Front body structure of the vehicle
JP2016106055A (en) 2013-02-18 2016-06-16 本田技研工業株式会社 Dumper housing structure for vehicle

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1134911A (en) * 1997-07-22 1999-02-09 Yorozu:Kk Reinforcement structure for vehicle members
JP2004106704A (en) * 2002-09-18 2004-04-08 Fuji Heavy Ind Ltd Car body front structure
US20060097533A1 (en) * 2004-11-08 2006-05-11 Asteer Co., Ltd. Bulkhead for raising strength and rigidity of vehicular frame members
CN101037118A (en) * 2006-03-15 2007-09-19 马自达汽车株式会社 Vehicle front body structure
JP2009248818A (en) * 2008-04-08 2009-10-29 Honda Motor Co Ltd Vehicular body front structure
JP2010280237A (en) * 2009-06-02 2010-12-16 Daihatsu Motor Co Ltd Front lower part structure for vehicle
CN104334441A (en) * 2012-12-27 2015-02-04 丰田自动车株式会社 Vehicle body front section structure
JP2015077819A (en) * 2013-10-15 2015-04-23 三菱自動車エンジニアリング株式会社 Reinforcing structure of vehicle spring house
JP2015085801A (en) * 2013-10-30 2015-05-07 トヨタ自動車株式会社 Suspension tower and vehicle front structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107662650A (en) * 2016-07-27 2018-02-06 马自达汽车株式会社 The front vehicle body structure of vehicle
CN108275210A (en) * 2018-02-11 2018-07-13 安徽江淮汽车集团股份有限公司 A kind of damper tower structure assembly
CN112849271A (en) * 2019-11-12 2021-05-28 现代自动车株式会社 Vehicle front structure
US20230391403A1 (en) * 2021-11-04 2023-12-07 Contemporary Amperex Technology Co., Limited Longitudinal beam assembly and automobile chassis

Also Published As

Publication number Publication date
US10336376B2 (en) 2019-07-02
JP2017114147A (en) 2017-06-29
DE102016015020A1 (en) 2017-06-22
US20170174264A1 (en) 2017-06-22
DE102016015020B4 (en) 2021-07-22
CN107031734B (en) 2019-11-01
JP6500768B2 (en) 2019-04-17

Similar Documents

Publication Publication Date Title
CN107031734A (en) The front vehicle body structure of vehicle
CN106985917A (en) The front vehicle body structure of vehicle
JP4550673B2 (en) Vehicle subframe
CN107074297A (en) The sidepiece body structure of vehicle
GB2485449A (en) A car body with a reinforcing structure
US10077075B2 (en) Vehicle lower section structure
JP6390603B2 (en) Front body structure of the vehicle
JP7095430B2 (en) Rear body structure of the vehicle
EP3192724B1 (en) Motor-vehicle body structure
KR101856240B1 (en) Shock absorber housing and fixing structure thereof
CN206394707U (en) Automobile rear longitudinal girder structural assembly
JP2009184547A (en) Damper housing structure for automobile
JP6299902B2 (en) Car body floor panel structure
JP6052231B2 (en) Vehicle body structure
JP4186125B2 (en) Vehicle front structure
JP2001063630A (en) Vehicle body side part structure
KR101262537B1 (en) Body for Electric Vehicle
JP6390604B2 (en) Front body structure of the vehicle
CN113335384B (en) Vehicle body
JP4647367B2 (en) Vehicle floor panel
JP4529569B2 (en) Car body rear structure
JP5358257B2 (en) Body front structure
JP5169078B2 (en) Body structure
JP2018043701A (en) Structure for vehicle
JP2016150671A (en) Front part structure of automobile

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant